3 episodes 96%4KCC

Inside the race to decode and restore a wounded Gothic icon.

After the 2019 fire, more than 200 experts confront a question with no simple answer: how do you rebuild an 800-year-old cathedral when no one knows exactly how it was first made? Through scans, excavations, material analysis, and digital models, this series reveals the hidden engineering, craft, and history guiding Notre-Dame back to life.

Episode guide

3 episodes

1A House of Stone

On April 15, 2019, a massive fire ravaged Notre-Dame's roof, weakening its structure. A year later, 200 scientists examine the battered stones—revealing construction secrets and uncovering enigmas. Researchers use 3-D software to solve Notre-Dame's mysteries and preserve its 800-year history.

53 min

2A House of Cards

Built in the 12th century, Notre-Dame is a pinnacle of Gothic architecture. Fire challenged its stability, destroying the roof and wooden frame, yet it stands. Using 3-D animation and reenactments, scientists and architects unveil the cathedral’s genesis and explore the structure behind the stone.

52 min

3The Heart of a Cathedral

Before the flames, the sacred monument Notre-Dame engaged all of the senses—with light, height and acoustics. Now, researchers strive to restore Notre-Dame’s soul: unveiling its true painted stone and ensuring that the world's most famous organ will resound within the cathedral’s walls.

53 min

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